Brother DCP-L5500D Service Manual page 8

10.3 LT side cover L ............................................................................................................... 3-125
10.4 LT side cover R ............................................................................................................... 3-126
10.5 LT front cover ASSY ....................................................................................................... 3-127
10.6 LT control PCB ASSY ..................................................................................................... 3-128
10.7 LT pickup clutch .............................................................................................................. 3-129
10.8 LT release clutch ............................................................................................................ 3-130
10.9 LT connector ASSY / LT connector upper ...................................................................... 3-133
10.10LT paper feed sensor PCB ASSY ................................................................................... 3-134
10.11LT paper empty sensor PCB ASSY ................................................................................ 3-137
CHAPTER 4 ADJUSTING AND UPDATING SETTINGS
AS REQUIRED AFTER PARTS REPLACEMENT
1. IF YOU REPLACE THE MAIN PCB ASSY ................................................................................. 4-1
1.1 Installing Firmware (Sub Firmware and Main Firmware) .................................................... 4-2
1.1.1 Checking firmware version ..................................................................................... 4-2
1.1.2 Installing firmware .................................................................................................. 4-3
1.2 Adjusting Touch Panel (Function Code: 61) ....................................................................... 4-5
1.3 Initializing the EEPROM of the Main PCB ASSY (Function Code: 01) ............................... 4-5
1.4 Configure for Country/Region and Model (Function Code: 74) .......................................... 4-5
1.5 Activating Memory Writing .................................................................................................. 4-5
1.6 Setting Serial Number and Entering Adjusted Value of Laser Unit ..................................... 4-6
1.7 Acquiring White Level Data (Function Code: 55) ................................................................ 4-7
1.8 Adjusting Left-end and Upper-end Print Position (Function Code: 45) (TT only) ............... 4-7
1.9 Resetting to Factory Shipping State ................................................................................... 4-7
2. IF YOU REPLACE THE LOW-VOLTAGE POWER SUPPLY PCB ASSY ................................. 4-8
2.1 Resetting Irregular Power Supply Counter of the
Low-voltage Power Supply PCB (Function Code: 88) ........................................................ 4-8
3. IF YOU REPLACE THE LASER UNIT ........................................................................................ 4-9
3.1 Entering Adjusted Value of Laser Unit .............................................................................. 4-10
3.2 Resetting Printed Pages Counter of the Laser Unit .......................................................... 4-10
4. IF YOU REPLACE THE LCD PANEL ASSY OR PANEL PCB ................................................ 4-11
4.1 Adjusting Touch Panel (Function Code: 61) ..................................................................... 4-11
4.2 Checking LCD Operation (Function Code: 12) ................................................................. 4-11
5. IF YOU REPLACE THE ADF UNIT, FIRST SIDE CIS UNIT,
SECOND SIDE CIS UNIT OR DOCUMENT SCANNER UNIT ................................................. 4-12
5.1 Acquiring White Level Data (Function Code: 55) .............................................................. 4-12
5.2 Scanning and Printing Check ........................................................................................... 4-12
6. IF YOU REPLACE THE FUSER UNIT ...................................................................................... 4-13
6.1 Resetting Printed Pages Counter of the Fuser Unit .......................................................... 4-13
7. IF YOU REPLACE A PF KIT ..................................................................................................... 4-14
7.1 Resetting Printed Pages Counter of a PF Kit ................................................................... 4-14
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